[ https://issues.apache.org/jira/browse/HADOOP-2886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HADOOP-2886:
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Assignee: dhruba borthakur
> Track individual RPC metrics.
> -----------------------------
>
> Key: HADOOP-2886
> URL: https://issues.apache.org/jira/browse/HADOOP-2886
> Project: Hadoop Core
> Issue Type: Improvement
> Components: metrics
> Reporter: girish vaitheeswaran
> Assignee: dhruba borthakur
> Fix For: 0.17.0
>
> Attachments: rpc-metrics.patch, rpc-metrics.patch, rpc-metrics.path, rpcmetrics.patch,
rpcmetrics.patch, rpcmetrics.patch
>
>
> There is currently no mechanism to track performance metrics at the granularity of a
specific RPC. So For e.g. if we wanted to capture average latency for the openFile RPC or
for the createFile RPC the current infrastructure does not support that.
> The implementation involves having a simple HashMap where every new Rpc metric being
added would be inserted into the HashMap. Since there is a mechanism to obtain RPC latencies
already (without the name of the specific RPC), the identification of what RPC is involved
would be done by doing a lookup on the HashMap.
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